19896750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 55486080

約数和(自身を除く): 35589330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 37, 45, 50, 74, 75, 90, 111, 125, 150, 185, 222, 225, 239, 250, 333, 370, 375, 450, 478, 555, 666, 717, 750, 925, 1110, 1125, 1195, 1434, 1665, 1850, 2151, 2250, 2390, 2775, 3330, 3585, 4302, 4625, 5550, 5975, 7170, 8325, 8843, 9250, 10755, 11950, 13875, 16650, 17686, 17925, 21510, 26529, 27750, 29875, 35850, 41625, 44215, 53058, 53775, 59750, 79587, 83250, 88430, 89625, 107550, 132645, 159174, 179250, 221075, 265290, 268875, 397935, 442150, 537750, 663225, 795870, 1105375, 1326450, 1989675, 2210750, 3316125, 3979350, 6632250, 9948375, 19896750]

約数ペア:

[(1, 19896750), (2, 9948375), (3, 6632250), (5, 3979350), (6, 3316125), (9, 2210750), (10, 1989675), (15, 1326450), (18, 1105375), (25, 795870), (30, 663225), (37, 537750), (45, 442150), (50, 397935), (74, 268875), (75, 265290), (90, 221075), (111, 179250), (125, 159174), (150, 132645), (185, 107550), (222, 89625), (225, 88430), (239, 83250), (250, 79587), (333, 59750), (370, 53775), (375, 53058), (450, 44215), (478, 41625), (555, 35850), (666, 29875), (717, 27750), (750, 26529), (925, 21510), (1110, 17925), (1125, 17686), (1195, 16650), (1434, 13875), (1665, 11950), (1850, 10755), (2151, 9250), (2250, 8843), (2390, 8325), (2775, 7170), (3330, 5975), (3585, 5550), (4302, 4625)]